sqoop export --connect jdbc:oracle:thin:@192.168.100.1:1521/ORCL \
--username scott \
--password tiger \
--table CREDIT_RESULT \
-m 1 \
--export-dir /warehouse/credit/dm/dm_rk \
--input-fields-terminated-by ',' \
--input-null-string '\\N' \
--input-null-non-string '\\N'
